Project Number Date
test_Tails_ISO_21565-flatpak-safe 105 27 Oct 2026, 20:12

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 7:41.453 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
19.883
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.550
And I prepare Tails for memory erasure tests 0.376
When I start a process allocating 128 MiB of memory with a known pattern 2.220
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.927 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.190
Then I find very few patterns in the guest's memory after 5 seconds 7.618 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.826
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.909
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.412
And I prepare Tails for memory erasure tests 0.305
And I find very few patterns in the guest's memory 2.736 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.522
Then patterns cover at least 99% of the test FS size in the guest's memory 2.908 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 5.635 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.577
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.479
And I prepare Tails for memory erasure tests 0.337
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.403
Then I find very few patterns in the guest's memory 2.690 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.423
Then patterns cover at least 75% of the test FS size in the guest's memory 3.089 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.735
Then I find very few patterns in the guest's memory after 3 seconds 5.709 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 0.175
And I read the content of the test FS 0.683
Then patterns cover at least 99% of the test FS size in the guest's memory 2.834 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 5.582 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.618
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:8.129
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.386
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.169
Then I find very few patterns in the guest's memory 2.620 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.046
Then patterns cover at least 99% of the test FS size in the guest's memory 3.955 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 7.592 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# read cache
When I mount the USB drive again 4.145
And I read the content of the test FS 0.455
Then patterns cover at least 99% of the test FS size in the guest's memory 4.431 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.507
Then I find very few patterns in the guest's memory after 3 seconds 7.936 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.580
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.446
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.585
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 13.518
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.529
Then patterns cover at least 128 MiB in the guest's memory 2.601 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.812 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 3.557
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.506
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.492
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.441
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 21.280 
Pattern coverage: 0.000% (0 MiB out of 1449 MiB reference memory)
After features/support/hooks.rb:339 3.710
After features/support/hooks.rb:108 0.019